cylinder with a radius, R$2=0\mathrm{.}88[$m$]$R $2=0\mathrm{.}88[$m$],$ height h$2=1\mathrm{.}78[$m$]$h $2=1\mathrm{.}78[$m$]$ and a specific gravity of SG$2=0\mathrm{.}81$SG $2=0\mathrm{.}81$ is dropped into a cylindrical tank which has a radius of R$1=9\mathrm{.}5[$m$]$R $1=9\mathrm{.}5[$m$]$ and is half filled with water.